package com.ruoyi.common.utils.http;

import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.TrustSelfSignedStrategy;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpRequestRetryHandler;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * 
 * @author H__D
 * @date 2016年10月19日 上午11:27:25
 *
 */
@SuppressWarnings("deprecation")
public class HttpClientUtil {

    // utf-8字符编码
    public static final String CHARSET_UTF_8 = "utf-8";

    // HTTP内容类型。
    public static final String CONTENT_TYPE_TEXT_HTML = "text/xml";
    public static final String CONTENT_TYPE_TEXT_HTML_utf = "text/xml;charset=utf-8";
    // HTTP内容类型。相当于form表单的形式，提交数据
    public static final String CONTENT_TYPE_FORM_URL = "application/x-www-form-urlencoded";

    // HTTP内容类型。相当于form表单的形式，提交数据
    public static final String CONTENT_TYPE_JSON_URL = "application/json;charset=utf-8";
    public static final String CHARSET = "UTF-8";

    public static final Integer CONNECT_TIMEOUT=5000;
    // 连接管理器
    private static PoolingHttpClientConnectionManager pool;

    // 请求配置
    private static RequestConfig requestConfig;

    static {
        
        try {
            //System.out.println("初始化HttpClientTest~~~开始");
            SSLContextBuilder builder = new SSLContextBuilder();
            builder.loadTrustMaterial(null, new TrustSelfSignedStrategy());
            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
                    builder.build());
            // 配置同时支持 HTTP 和 HTPPS
            Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory> create().register(
                    "http", PlainConnectionSocketFactory.getSocketFactory()).register(
                    "https", sslsf).build();
            // 初始化连接管理器
            pool = new PoolingHttpClientConnectionManager(
                    socketFactoryRegistry);
            // 将最大连接数增加到200，实际项目最好从配置文件中读取这个值
            pool.setMaxTotal(200);
            // 设置最大路由
            pool.setDefaultMaxPerRoute(2);
            // 根据默认超时限制初始化requestConfig
            int socketTimeout = 10000;
            int connectTimeout = 10000;
            int connectionRequestTimeout = 10000;
            requestConfig = RequestConfig.custom().setConnectionRequestTimeout(
                    connectionRequestTimeout).setSocketTimeout(socketTimeout).setConnectTimeout(
                    connectTimeout).build();

            //System.out.println("初始化HttpClientTest~~~结束");
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (KeyStoreException e) {
            e.printStackTrace();
        } catch (KeyManagementException e) {
            e.printStackTrace();
        }
        

        // 设置请求超时时间
        requestConfig = RequestConfig.custom().setSocketTimeout(50000).setConnectTimeout(50000)
                .setConnectionRequestTimeout(50000).build();
    }

    public static CloseableHttpClient getHttpClient() {
        
        CloseableHttpClient httpClient = HttpClients.custom()
                // 设置连接池管理
                .setConnectionManager(pool)
                // 设置请求配置
                .setDefaultRequestConfig(requestConfig)
                // 设置重试次数
                .setRetryHandler(new DefaultHttpRequestRetryHandler(0, false))
                .build();
        
        return httpClient;
    }

    /**
     * 发送Post请求
     * 
     * @param httpPost
     * @return
     */
    private static String sendHttpPost(HttpPost httpPost) {

        CloseableHttpClient httpClient = null;
        CloseableHttpResponse response = null;
        // 响应内容
        String responseContent = null;
        try {
            // 创建默认的httpClient实例.
            httpClient = getHttpClient();
            // 配置请求信息
            httpPost.setConfig(requestConfig);
            // 执行请求
            System.out.println(httpPost);
            response = httpClient.execute(httpPost);

            // 得到响应实例
            HttpEntity entity = response.getEntity();

            // 可以获得响应头
            // Header[] headers = response.getHeaders(HttpHeaders.CONTENT_TYPE);
            // for (Header header : headers) {
            // System.out.println(header.getName());
            // }

            // 得到响应类型
            // System.out.println(ContentType.getOrDefault(response.getEntity()).getMimeType());

            // 判断响应状态
//            if (response.getStatusLine().getStatusCode() >= 300) {
//                throw new Exception(
//                        "HTTP Request is not success, Response code is " + response.getStatusLine().getStatusCode());
//            }

//            if (HttpStatus.SC_OK == response.getStatusLine().getStatusCode()) {
                responseContent = EntityUtils.toString(entity, CHARSET_UTF_8);
                EntityUtils.consume(entity);
//            }

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                // 释放资源
                if (response != null) {
                    response.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return responseContent;
    }

    /**
     * 发送Get请求
     * 
     * @param httpGet
     * @return
     */
    private static String sendHttpGet(HttpGet httpGet) {

        CloseableHttpClient httpClient = null;
        CloseableHttpResponse response = null;
        // 响应内容
        String responseContent = null;
        try {
            // 创建默认的httpClient实例.
            httpClient = getHttpClient();
            // 配置请求信息
            httpGet.setConfig(requestConfig);
            // 执行请求
            response = httpClient.execute(httpGet);
            // 得到响应实例
            HttpEntity entity = response.getEntity();

            // 可以获得响应头
            // Header[] headers = response.getHeaders(HttpHeaders.CONTENT_TYPE);
            // for (Header header : headers) {
            // System.out.println(header.getName());
            // }

            // 得到响应类型
            // System.out.println(ContentType.getOrDefault(response.getEntity()).getMimeType());

            // 判断响应状态
            if (response.getStatusLine().getStatusCode() >= 300) {
                throw new Exception(
                        "HTTP Request is not success, Response code is " + response.getStatusLine().getStatusCode());
            }

            if (HttpStatus.SC_OK == response.getStatusLine().getStatusCode()) {
            	//System.out.println(response.getStatusLine().getStatusCode());
                responseContent = EntityUtils.toString(entity, CHARSET_UTF_8);
                EntityUtils.consume(entity);
            }

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                // 释放资源
                if (response != null) {
                    response.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return responseContent;
    }
    
    
    
    /**
     * 发送 post请求
     * 
     * @param httpUrl
     *            地址
     */
    public static String sendHttpPost(String httpUrl) {
        // 创建httpPost
        HttpPost httpPost = new HttpPost(httpUrl);
        return sendHttpPost(httpPost);
    }

    /**
     * 发送 get请求
     * 
     * @param httpUrl
     */
    public static String sendHttpGet(String httpUrl) {
        // 创建get请求
        HttpGet httpGet = new HttpGet(httpUrl);
        return sendHttpGet(httpGet);
    }
    public static String doGetHeader(String url, Map<String, String> header,String param) {
        String urlNameString = url;
        // 创建Httpclient对象
        CloseableHttpClient httpclient = HttpClients.createDefault();
        String resultString = "";
        CloseableHttpResponse response = null;
        try {
            if (param != null || param != "") {
                urlNameString = urlNameString + "?" + param;
            }
            // 创建uri
            HttpGet httpGet = new HttpGet(urlNameString);
            if (header != null) {
                for (String key : header.keySet()) {
                    httpGet.addHeader(key, header.get(key));
                }
            }
            response = httpclient.execute(httpGet);
            if (response.getStatusLine().getStatusCode() == 200) {
                resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (response != null) {
                    response.close();
                }
                httpclient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return resultString;
    }
    

    /**
     * 发送 post请求
     * 
     * @param httpUrl
     *            地址
     * @param params
     *            参数(格式:key1=value1&key2=value2)
     * 
     */
    public static String sendHttpPost(String httpUrl, String params) {
        HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost
        try {
            // 设置参数
            if (params != null && params.trim().length() > 0) {
                StringEntity stringEntity = new StringEntity(params, "UTF-8");
                stringEntity.setContentType(CONTENT_TYPE_FORM_URL);
                httpPost.setEntity(stringEntity);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return sendHttpPost(httpPost);
    }

    /**
     * 发送 post请求
     * 
     * @param maps
     *            参数
     */
    public static String sendHttpPost(String httpUrl, Map<String, String> maps) {
        String parem = convertStringParamter(maps);
        return sendHttpPost(httpUrl, parem);
    }

    
    
    
    /**
     * 发送 post请求 发送json数据
     * 
     * @param httpUrl
     *            地址
     * @param paramsJson
     *            参数(格式 json)
     * 
     */
    public static String sendHttpPostJson(String httpUrl, String paramsJson) {
        HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost
        try {
            // 设置参数
            if (paramsJson != null && paramsJson.trim().length() > 0) {
                StringEntity stringEntity = new StringEntity(paramsJson, "UTF-8");
                stringEntity.setContentType(CONTENT_TYPE_JSON_URL);
                httpPost.setEntity(stringEntity);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return sendHttpPost(httpPost);
    }
    /**
     * 发送 post请求 发送json数据
     *
     * @param httpUrl
     *            地址
     * @param paramsJson
     *            参数(格式 json)
     *
     */
    public static String sendHttpPostJsonBYheard(String httpUrl, String paramsJson,Map<String, String> parameHeard) {
        HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost
        try {
            //设置头部
            if (parameHeard != null && parameHeard.size() > 0) {
                for(String key : parameHeard.keySet()){
                    httpPost.setHeader(key, parameHeard.get(key));
                }
                StringEntity stringEntity = new StringEntity(paramsJson, "UTF-8");
                stringEntity.setContentType(CONTENT_TYPE_JSON_URL);
                httpPost.setEntity(stringEntity);
            }
            // 设置参数
            if (paramsJson != null && paramsJson.trim().length() > 0) {
                StringEntity stringEntity = new StringEntity(paramsJson, "UTF-8");
                stringEntity.setContentType(CONTENT_TYPE_JSON_URL);
                httpPost.setEntity(stringEntity);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return sendHttpPost(httpPost);
    }

    /**
     * 发送 post请求 发送xml数据
     * 
     * @param httpUrl   地址
     * @param paramsXml  参数(格式 Xml)
     * 
     */
    public static String sendHttpPostXml(String httpUrl, String paramsXml) {
        HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost
        try {
            // 设置参数
            if (paramsXml != null && paramsXml.trim().length() > 0) {
                StringEntity stringEntity = new StringEntity(paramsXml, "UTF-8");
                stringEntity.setContentType(CONTENT_TYPE_TEXT_HTML_utf);
                httpPost.setEntity(stringEntity);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return sendHttpPost(httpPost);
    }
    

    /**
     * 将map集合的键值对转化成：key1=value1&key2=value2 的形式
     * 
     * @param parameterMap
     *            需要转化的键值对集合
     * @return 字符串
     */
    public static String convertStringParamter(Map<String, String> parameterMap) {
        StringBuffer parameterBuffer = new StringBuffer();
        if (parameterMap != null) {
            Iterator<String> iterator = parameterMap.keySet().iterator();
            String key = null;
            String value = null;
            while (iterator.hasNext()) {
                key = (String) iterator.next();
                if (parameterMap.get(key) != null) {
                    value = (String) parameterMap.get(key);
                } else {
                    value = "";
                }
                parameterBuffer.append(key).append("=").append(value);
                if (iterator.hasNext()) {
                    parameterBuffer.append("&");
                }
            }
        }
        return parameterBuffer.toString();
    }


    //post请求方法
    public static String sendPostByMap(String url, Map<String, Object> params) {
        String response = null;
        try {
            List<NameValuePair> pairs = null;
            if (params != null && !params.isEmpty()) {
                pairs = new ArrayList<NameValuePair>(params.size());
                for (String key : params.keySet()) {
                    pairs.add(new BasicNameValuePair(key, params.get(key).toString()));
                }
            }
            CloseableHttpClient httpclient = null;
            CloseableHttpResponse httpresponse = null;
            try {
                httpclient = HttpClients.createDefault();
                HttpPost httppost = new HttpPost(url);
                // StringEntity stringentity = new StringEntity(data);
                if (pairs != null && pairs.size() > 0) {
                    httppost.setEntity(new UrlEncodedFormEntity(pairs, CHARSET));
//                    httppost.setHeader("Content-Type","application/json; charset=utf-8");
                }
                httpresponse = httpclient.execute(httppost);
                response = EntityUtils
                        .toString(httpresponse.getEntity());
            } finally {
                if (httpclient != null) {
                    httpclient.close();
                }
                if (httpresponse != null) {
                    httpresponse.close();
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return response;
    }

    public static String postData(String urlStr, String data, Map<String,String> headers) {
        BufferedReader reader = null;
        try {
            URL url = new URL(urlStr);
            URLConnection conn = url.openConnection();
            conn.setDoOutput(true);
            conn.setConnectTimeout(CONNECT_TIMEOUT);
            conn.setReadTimeout(CONNECT_TIMEOUT);
            if (headers != null){
                for(Map.Entry<String,String> entry : headers.entrySet()){
                    conn.setRequestProperty(entry.getKey(), entry.getValue());
                }
            }

            OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream(), CHARSET_UTF_8);
            if (data == null){
                data = "";
            }

            writer.write(data);
            writer.flush();
            writer.close();

            reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), CHARSET_UTF_8));
            StringBuilder sb = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null) {
                sb.append(line);
                sb.append("\r\n");
            }
            return sb.toString();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (reader != null){
                    reader.close();
                }
            } catch (IOException e) {
            }
        }
        return null;
    }

    public static String doPut(String url, String token,String appKey, String jsonStr) {

        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpPut httpPut = new HttpPut(url);
        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(35000).setConnectionRequestTimeout(35000).setSocketTimeout(60000).build();
        httpPut.setConfig(requestConfig);
        httpPut.setHeader("Content-type", "application/json");
        httpPut.setHeader("DataEncoding", "UTF-8");
        httpPut.setHeader("Authorization", "Bearer "+token);
        httpPut.setHeader("appKey", appKey);
        CloseableHttpResponse httpResponse = null;
        try {
            httpPut.setEntity(new StringEntity(jsonStr));
            httpResponse = httpClient.execute(httpPut);
            HttpEntity entity = httpResponse.getEntity();
            String result = EntityUtils.toString(entity);
            return result;
        } catch (ClientProtocolException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {
            if (httpResponse != null) {
                try {
                    httpResponse.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
            if (null != httpClient) {
                try {
                    httpClient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return null;
    }

    public static String doPost(String url, String jsonStr) {

        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpPost httpPut = new HttpPost(url);
        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(35000).setConnectionRequestTimeout(35000).setSocketTimeout(60000).build();
        httpPut.setConfig(requestConfig);
        httpPut.setHeader("Content-type", "application/json");
        httpPut.setHeader("DataEncoding", "UTF-8");

        CloseableHttpResponse httpResponse = null;
        try {
            httpPut.setEntity(new StringEntity(jsonStr));
            httpResponse = httpClient.execute(httpPut);
            HttpEntity entity = httpResponse.getEntity();
            String result = EntityUtils.toString(entity);
            return result;
        } catch (ClientProtocolException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {
            if (httpResponse != null) {
                try {
                    httpResponse.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
            if (null != httpClient) {
                try {
                    httpClient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return null;
    }


    public static String doPostByToken(String url, String jsonStr,String token) {

        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpPost httpPut = new HttpPost(url);
        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(35000).setConnectionRequestTimeout(35000).setSocketTimeout(60000).build();
        httpPut.setConfig(requestConfig);
        httpPut.setHeader("Content-type", "application/json");
        httpPut.setHeader("DataEncoding", "UTF-8");
        httpPut.setHeader("Authorization", "Bearer "+token);
        CloseableHttpResponse httpResponse = null;
        try {
            httpPut.setEntity(new StringEntity(jsonStr));
            httpResponse = httpClient.execute(httpPut);
            HttpEntity entity = httpResponse.getEntity();
            String result = EntityUtils.toString(entity);
            return result;
        } catch (ClientProtocolException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {
            if (httpResponse != null) {
                try {
                    httpResponse.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
            if (null != httpClient) {
                try {
                    httpClient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return null;
    }
}